Home / 73,573.13-110,360.73-20,982.61

Finding the Fourth Proportional to 73,573.13, 110,360.73 and 20,982.61

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Solution

The fourth proportional to 73,573.13, 110,360.73 and 20,982.61 is: 31,474.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,573.13 : 110,360.73 = 20,982.61 : x
  2. Step 2: Convert to fraction form
    73,573.13/110,360.73 = 20,982.61/x
  3. Step 3: Cross multiply
    73,573.13x = 110,360.73 × 20,982.61
  4. Step 4: Simplify right side
    73,573.13x = 2,315,656,216.17
  5. Step 5: Solve for x
    x = 2,315,656,216.17/73,573.13
  6. Step 6: Final answer
    x = 31,474.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.